ArchiveWriter.cpp File Reference

#include "llvm/Object/ArchiveWriter.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/BinaryFormat/Magic.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/Object/Archive.h"
#include "llvm/Object/Error.h"
#include "llvm/Object/IRObjectFile.h"
#include "llvm/Object/MachO.h"
#include "llvm/Object/ObjectFile.h"
#include "llvm/Object/SymbolicFile.h"
#include "llvm/Object/XCOFFObjectFile.h"
#include "llvm/Support/Alignment.h"
#include "llvm/Support/EndianStream.h"
#include "llvm/Support/Errc.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/SmallVectorMemoryBuffer.h"
#include "llvm/Support/raw_ostream.h"
#include <map>
#include <unistd.h>

Include dependency graph for ArchiveWriter.cpp:

Go to the source code of this file.

Namespaces
namespace	llvm
	This is an optimization pass for GlobalISel generic memory operations.

Functions
template<typename T >
static void	printWithSpacePadding (raw_ostream &OS, T Data, unsigned Size)
static bool	isDarwin (object::Archive::Kind Kind)
static bool	isAIXBigArchive (object::Archive::Kind Kind)
static bool	isBSDLike (object::Archive::Kind Kind)
template<class T >
static void	print (raw_ostream &Out, object::Archive::Kind Kind, T Val)
static void	printRestOfMemberHeader (raw_ostream &Out, const sys::TimePoint< std::chrono::seconds > &ModTime, unsigned UID, unsigned GID, unsigned Perms, uint64_t Size)
static void	printGNUSmallMemberHeader (raw_ostream &Out, StringRef Name, const sys::TimePoint< std::chrono::seconds > &ModTime, unsigned UID, unsigned GID, unsigned Perms, uint64_t Size)
static void	printBSDMemberHeader (raw_ostream &Out, uint64_t Pos, StringRef Name, const sys::TimePoint< std::chrono::seconds > &ModTime, unsigned UID, unsigned GID, unsigned Perms, uint64_t Size)
static void	printBigArchiveMemberHeader (raw_ostream &Out, StringRef Name, const sys::TimePoint< std::chrono::seconds > &ModTime, unsigned UID, unsigned GID, unsigned Perms, uint64_t Size, unsigned PrevOffset, unsigned NextOffset)
static bool	useStringTable (bool Thin, StringRef Name)
static bool	is64BitKind (object::Archive::Kind Kind)
static void	printMemberHeader (raw_ostream &Out, uint64_t Pos, raw_ostream &StringTable, StringMap< uint64_t > &MemberNames, object::Archive::Kind Kind, bool Thin, const NewArchiveMember &M, sys::TimePoint< std::chrono::seconds > ModTime, uint64_t Size)
static MemberData	computeStringTable (StringRef Names)
static sys::TimePoint< std::chrono::seconds >	now (bool Deterministic)
static bool	isArchiveSymbol (const object::BasicSymbolRef &S)
static void	printNBits (raw_ostream &Out, object::Archive::Kind Kind, uint64_t Val)
static uint64_t	computeSymbolTableSize (object::Archive::Kind Kind, uint64_t NumSyms, uint64_t OffsetSize, StringRef StringTable, uint32_t *Padding=nullptr)
static void	writeSymbolTableHeader (raw_ostream &Out, object::Archive::Kind Kind, bool Deterministic, uint64_t Size, uint64_t PrevMemberOffset=0)
static void	writeSymbolTable (raw_ostream &Out, object::Archive::Kind Kind, bool Deterministic, ArrayRef< MemberData > Members, StringRef StringTable, uint64_t PrevMemberOffset=0)
static Expected< std::vector< unsigned > >	getSymbols (MemoryBufferRef Buf, raw_ostream &SymNames, bool &HasObject)
static Expected< std::vector< MemberData > >	computeMemberData (raw_ostream &StringTable, raw_ostream &SymNames, object::Archive::Kind Kind, bool Thin, bool Deterministic, bool NeedSymbols, ArrayRef< NewArchiveMember > NewMembers)
static ErrorOr< SmallString< 128 > >	llvm::canonicalizePath (StringRef P)
Expected< std::string >	llvm::computeArchiveRelativePath (StringRef From, StringRef To)
static Error	llvm::writeArchiveToStream (raw_ostream &Out, ArrayRef< NewArchiveMember > NewMembers, bool WriteSymtab, object::Archive::Kind Kind, bool Deterministic, bool Thin)
Error	llvm::writeArchive (StringRef ArcName, ArrayRef< NewArchiveMember > NewMembers, bool WriteSymtab, object::Archive::Kind Kind, bool Deterministic, bool Thin, std::unique_ptr< MemoryBuffer > OldArchiveBuf=nullptr)
Expected< std::unique_ptr< MemoryBuffer > >	llvm::writeArchiveToBuffer (ArrayRef< NewArchiveMember > NewMembers, bool WriteSymtab, object::Archive::Kind Kind, bool Deterministic, bool Thin)

Function Documentation

computeMemberData()

static Expected< std::vector< MemberData > > computeMemberData ( raw_ostream &  StringTable, raw_ostream &  SymNames, object::Archive::Kind  Kind, bool  Thin, bool  Deterministic, bool  NeedSymbols, ArrayRef< NewArchiveMember >  NewMembers  )

static

Definition at line 484 of file ArchiveWriter.cpp.

References llvm::alignTo(), llvm::createFileError(), llvm::Data, llvm::raw_ostream::flush(), llvm::MemoryBufferRef::getBuffer(), llvm::MemoryBufferRef::getBufferSize(), getSymbols(), isAIXBigArchive(), isDarwin(), llvm::object::Archive::MaxMemberSize, llvm::offsetToAlignment(), llvm::object::parse_failed, printBigArchiveMemberHeader(), printMemberHeader(), Size, llvm::Expected< T >::takeError(), llvm::raw_ostream::tell(), and llvm::sys::toTimePoint().

Referenced by llvm::writeArchiveToStream().

computeStringTable()

static MemberData computeStringTable ( StringRef  Names )

static

Definition at line 315 of file ArchiveWriter.cpp.

References llvm::raw_ostream::flush(), llvm::offsetToAlignment(), printWithSpacePadding(), llvm::StringRef::size(), and Size.

Referenced by llvm::writeArchiveToStream().

computeSymbolTableSize()

static uint64_t computeSymbolTableSize ( object::Archive::Kind  Kind, uint64_t  NumSyms, uint64_t  OffsetSize, StringRef  StringTable, uint32_t *  Padding = nullptr  )

static

Definition at line 357 of file ArchiveWriter.cpp.

References assert(), isAIXBigArchive(), isBSDLike(), llvm::offsetToAlignment(), and Size.

Referenced by llvm::writeArchiveToStream(), and writeSymbolTable().

getSymbols()

static Expected< std::vector< unsigned > > getSymbols ( MemoryBufferRef  Buf, raw_ostream &  SymNames, bool &  HasObject  )

static

Definition at line 446 of file ArchiveWriter.cpp.

References llvm::file_magic::bitcode, Context, llvm::object::SymbolicFile::createSymbolicFile(), E, llvm::MemoryBufferRef::getBuffer(), llvm::identify_magic(), isArchiveSymbol(), llvm::object::SymbolicFile::isSymbolicFile(), and llvm::raw_ostream::tell().

Referenced by computeMemberData().

is64BitKind()

static bool is64BitKind ( object::Archive::Kind  Kind )

static

Definition at line 263 of file ArchiveWriter.cpp.

References llvm::object::Archive::K_AIXBIG, llvm::object::Archive::K_BSD, llvm::object::Archive::K_COFF, llvm::object::Archive::K_DARWIN, llvm::object::Archive::K_DARWIN64, llvm::object::Archive::K_GNU, llvm::object::Archive::K_GNU64, and llvm_unreachable.

Referenced by printNBits(), writeSymbolTable(), and writeSymbolTableHeader().

isAIXBigArchive()

static bool isAIXBigArchive ( object::Archive::Kind  Kind )

static

Definition at line 168 of file ArchiveWriter.cpp.

References llvm::object::Archive::K_AIXBIG.

Referenced by computeMemberData(), computeSymbolTableSize(), llvm::writeArchiveToStream(), writeSymbolTable(), and writeSymbolTableHeader().

isArchiveSymbol()

static bool isArchiveSymbol ( const object::BasicSymbolRef &  S )

static

Definition at line 335 of file ArchiveWriter.cpp.

References llvm::object::BasicSymbolRef::getFlags(), llvm::report_fatal_error(), llvm::object::BasicSymbolRef::SF_FormatSpecific, llvm::object::BasicSymbolRef::SF_Global, llvm::object::BasicSymbolRef::SF_Undefined, and llvm::Expected< T >::takeError().

Referenced by getSymbols().

isBSDLike()

static bool isBSDLike ( object::Archive::Kind  Kind )

static

Definition at line 172 of file ArchiveWriter.cpp.

References llvm::object::Archive::K_AIXBIG, llvm::object::Archive::K_BSD, llvm::object::Archive::K_COFF, llvm::object::Archive::K_DARWIN, llvm::object::Archive::K_DARWIN64, llvm::object::Archive::K_GNU, llvm::object::Archive::K_GNU64, and llvm_unreachable.

Referenced by computeSymbolTableSize(), print(), printMemberHeader(), llvm::writeArchiveToStream(), writeSymbolTable(), and writeSymbolTableHeader().

isDarwin()

static bool isDarwin ( object::Archive::Kind  Kind )

static

Definition at line 163 of file ArchiveWriter.cpp.

References llvm::object::Archive::K_DARWIN, and llvm::object::Archive::K_DARWIN64.

Referenced by computeMemberData(), and writeSymbolTable().

now()

static sys::TimePoint< std::chrono::seconds > now ( bool  Deterministic )

static

Definition at line 327 of file ArchiveWriter.cpp.

Referenced by llvm::TimeRecord::getCurrentTime(), and writeSymbolTableHeader().

print()

template<class T >

static void print ( raw_ostream &  Out, object::Archive::Kind  Kind, T  Val  )

static

Definition at line 189 of file ArchiveWriter.cpp.

References llvm::support::big, isBSDLike(), llvm::support::little, and llvm::support::endian::write().

Referenced by gen-regalloc-eviction-test-model::build_mock_model(), gen-regalloc-priority-test-model::build_mock_model(), gen-inline-oz-test-model::build_mock_model(), INITIALIZE_PASS(), log_reader::main(), gen-inline-oz-test-model::main(), log_reader::pretty_print_tensor_value(), and printLivenessInfo().

printBigArchiveMemberHeader()

static void printBigArchiveMemberHeader ( raw_ostream &  Out, StringRef  Name, const sys::TimePoint< std::chrono::seconds > &  ModTime, unsigned  UID, unsigned  GID, unsigned  Perms, uint64_t  Size, unsigned  PrevOffset, unsigned  NextOffset  )

static

Definition at line 235 of file ArchiveWriter.cpp.

References llvm::format(), Name, printWithSpacePadding(), Size, llvm::sys::toTimeT(), and llvm::raw_ostream::write().

Referenced by computeMemberData(), llvm::writeArchiveToStream(), and writeSymbolTableHeader().

printBSDMemberHeader()

static void printBSDMemberHeader ( raw_ostream &  Out, uint64_t  Pos, StringRef  Name, const sys::TimePoint< std::chrono::seconds > &  ModTime, unsigned  UID, unsigned  GID, unsigned  Perms, uint64_t  Size  )

static

Definition at line 219 of file ArchiveWriter.cpp.

References Name, llvm::offsetToAlignment(), printRestOfMemberHeader(), printWithSpacePadding(), Size, and llvm::raw_ostream::write().

Referenced by printMemberHeader(), and writeSymbolTableHeader().

printGNUSmallMemberHeader()

static void printGNUSmallMemberHeader ( raw_ostream &  Out, StringRef  Name, const sys::TimePoint< std::chrono::seconds > &  ModTime, unsigned  UID, unsigned  GID, unsigned  Perms, uint64_t  Size  )

static

Definition at line 210 of file ArchiveWriter.cpp.

References Name, printRestOfMemberHeader(), printWithSpacePadding(), and Size.

Referenced by printMemberHeader(), and writeSymbolTableHeader().

printMemberHeader()

static void printMemberHeader ( raw_ostream &  Out, uint64_t  Pos, raw_ostream &  StringTable, StringMap< uint64_t > &  MemberNames, object::Archive::Kind  Kind, bool  Thin, const NewArchiveMember &  M, sys::TimePoint< std::chrono::seconds >  ModTime, uint64_t  Size  )

static

Definition at line 279 of file ArchiveWriter.cpp.

References llvm::StringMap< ValueTy, AllocatorTy >::insert(), isBSDLike(), printBSDMemberHeader(), printGNUSmallMemberHeader(), printRestOfMemberHeader(), printWithSpacePadding(), Size, and useStringTable().

Referenced by computeMemberData().

printNBits()

static void printNBits ( raw_ostream &  Out, object::Archive::Kind  Kind, uint64_t  Val  )

static

Definition at line 349 of file ArchiveWriter.cpp.

References is64BitKind().

Referenced by writeSymbolTable().

printRestOfMemberHeader()

static void printRestOfMemberHeader ( raw_ostream &  Out, const sys::TimePoint< std::chrono::seconds > &  ModTime, unsigned  UID, unsigned  GID, unsigned  Perms, uint64_t  Size  )

static

Definition at line 194 of file ArchiveWriter.cpp.

References llvm::format(), printWithSpacePadding(), Size, and llvm::sys::toTimeT().

Referenced by printBSDMemberHeader(), printGNUSmallMemberHeader(), and printMemberHeader().

printWithSpacePadding()

template<typename T >

static void printWithSpacePadding ( raw_ostream &  OS, T  Data, unsigned  Size  )

static

Definition at line 155 of file ArchiveWriter.cpp.

References assert(), llvm::Data, llvm::raw_ostream::indent(), Size, and llvm::raw_ostream::tell().

Referenced by computeStringTable(), printBigArchiveMemberHeader(), printBSDMemberHeader(), printGNUSmallMemberHeader(), printMemberHeader(), printRestOfMemberHeader(), and llvm::writeArchiveToStream().

useStringTable()

static bool useStringTable ( bool  Thin, StringRef  Name  )

static

Definition at line 259 of file ArchiveWriter.cpp.

References Name.

Referenced by printMemberHeader().

writeSymbolTable()

static void writeSymbolTable ( raw_ostream &  Out, object::Archive::Kind  Kind, bool  Deterministic, ArrayRef< MemberData >  Members, StringRef  StringTable, uint64_t  PrevMemberOffset = 0  )

static

Definition at line 401 of file ArchiveWriter.cpp.

References computeSymbolTableSize(), is64BitKind(), isAIXBigArchive(), isBSDLike(), isDarwin(), printNBits(), Size, llvm::raw_ostream::tell(), llvm::raw_ostream::write(), and writeSymbolTableHeader().

Referenced by llvm::writeArchiveToStream().

writeSymbolTableHeader()

static void writeSymbolTableHeader ( raw_ostream &  Out, object::Archive::Kind  Kind, bool  Deterministic, uint64_t  Size, uint64_t  PrevMemberOffset = 0  )

static

Definition at line 385 of file ArchiveWriter.cpp.

References is64BitKind(), isAIXBigArchive(), isBSDLike(), Name, now(), printBigArchiveMemberHeader(), printBSDMemberHeader(), printGNUSmallMemberHeader(), Size, and llvm::raw_ostream::tell().

Referenced by llvm::writeArchiveToStream(), and writeSymbolTable().